/*
 *  Copyright (c) 2009, Hugo Augusto Alves
 *  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *      * Redistributions of source code must retain the above copyright
 *        notice, this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above copyright
 *        notice, this list of conditions and the following disclaimer in the
 *        documentation and/or other materials provided with the distribution.
 *      * Neither the name of the Hugo Augusto Alves nor the
 *        names of its contributors may be used to endorse or promote products
 *        derived from this software without specific prior written permission.
 * 
 *  THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
 *  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.wiscriptor.wiki;

/**
 *
 * @author Hugo
 */
public class Category {

    public static final String separator = "/";
    public static final String root = ".";
    private String parent;
    private String path;
    private String name;

    public Category(String path) {
        this.path = path;
        int last, secondLast;
        last = path.lastIndexOf(separator);
        if (last == -1) {
            // "xxxxxxx"
            this.name = path;
            this.parent = root;
        } else {
            // "xxxxx/xxx(...)xxxx"
            this.name = path.substring(last + 1);
            String tmp = path.substring(0, last);
            secondLast = tmp.lastIndexOf(separator);
            if(secondLast == -1) {
                // "xxx/xxxx"
                this.parent = tmp;
            } else {
                // "xx(...)xx/xxxx/xxxx"
                this.parent = tmp.substring(secondLast + 1);
            }
        }

    }

    public String getName() {
        return name;
    }

    public String getParent() {
        return parent;
    }

    public String getPath() {
        return path;
    }

    /**
     * extract the category in a string with categories and tags
     * @param str
     * @return
     */
    public static String getCategory(String str) {
        int firstSpace = str.indexOf(" ");
        if(firstSpace == -1) return null;
        return str.substring(0, firstSpace);
    }
}
